Pincode 844501 · Vaishali District · Bihar
| Name | Sarmastpur BO |
| Type | Branch Post Office |
| Pincode | 844501 |
| Taluk | Vaishali Division |
| District | |
| State | |
| Coordinates | 25.6737, 85.3656 |
| Post Office | Type |
|---|---|
| Post Office | |
| Branch Post Office | |
| Branch Post Office |
Vaishali, Bihar. Map data: OpenStreetMap, CARTO.
| Karnauti BO | Branch Post Office |
| Marai BO | Branch Post Office |
| Supaul BO | Branch Post Office |